VULCANIZATION MOLDING DIE AND PNEUMATIC TIRE MANUFACTURED USING SAID DIE
It is an object to provide a vulcanization mold that is a mold including blades having a distal end side thick portion and pullout is performed smoothly by the mold without causing any failure and a pneumatic tire. A vulcanization mold 1 in which a blade 6 or 7 has a blade proximal end portion 6a or...
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| creator | NAKAI, Tatsuya SHIBATA, Yasuo HATANO, Tatsuhiko |
| description | It is an object to provide a vulcanization mold that is a mold including blades having a distal end side thick portion and pullout is performed smoothly by the mold without causing any failure and a pneumatic tire. A vulcanization mold 1 in which a blade 6 or 7 has a blade proximal end portion 6a or 7a, a blade distal end side thick portion 6c or 7c expanded in a thicknesswise direction on the distal end side, and a blade connection portion 6b or 7b that connects the blade proximal end portion and the blade distal end side thick portion 6c or 7c to each other is a vulcanization mold in which a sweep area Sc or Se that is the difference where a cross sectional area of the blade connection portion 6b or 7b is subtracted from an area from the blade distal end side thick portion 6c or 7c to a mold surface with a width equal to a maximum width of a thickness of the blade distal end side thick portion 6c or 7c in a cross sectional shape perpendicular to a tire widthwise direction of the blade 6 or 7 is smaller at the blades 7 in circumferential end portion side regions E than at the blades 6 in a circumferential central portion side region C of the sector mold 3. Further, a pneumatic tire 20 is manufactured using the vulcanization mold 1. |
| format | Patent |
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A vulcanization mold 1 in which a blade 6 or 7 has a blade proximal end portion 6a or 7a, a blade distal end side thick portion 6c or 7c expanded in a thicknesswise direction on the distal end side, and a blade connection portion 6b or 7b that connects the blade proximal end portion and the blade distal end side thick portion 6c or 7c to each other is a vulcanization mold in which a sweep area Sc or Se that is the difference where a cross sectional area of the blade connection portion 6b or 7b is subtracted from an area from the blade distal end side thick portion 6c or 7c to a mold surface with a width equal to a maximum width of a thickness of the blade distal end side thick portion 6c or 7c in a cross sectional shape perpendicular to a tire widthwise direction of the blade 6 or 7 is smaller at the blades 7 in circumferential end portion side regions E than at the blades 6 in a circumferential central portion side region C of the sector mold 3. 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A vulcanization mold 1 in which a blade 6 or 7 has a blade proximal end portion 6a or 7a, a blade distal end side thick portion 6c or 7c expanded in a thicknesswise direction on the distal end side, and a blade connection portion 6b or 7b that connects the blade proximal end portion and the blade distal end side thick portion 6c or 7c to each other is a vulcanization mold in which a sweep area Sc or Se that is the difference where a cross sectional area of the blade connection portion 6b or 7b is subtracted from an area from the blade distal end side thick portion 6c or 7c to a mold surface with a width equal to a maximum width of a thickness of the blade distal end side thick portion 6c or 7c in a cross sectional shape perpendicular to a tire widthwise direction of the blade 6 or 7 is smaller at the blades 7 in circumferential end portion side regions E than at the blades 6 in a circumferential central portion side region C of the sector mold 3. 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A vulcanization mold 1 in which a blade 6 or 7 has a blade proximal end portion 6a or 7a, a blade distal end side thick portion 6c or 7c expanded in a thicknesswise direction on the distal end side, and a blade connection portion 6b or 7b that connects the blade proximal end portion and the blade distal end side thick portion 6c or 7c to each other is a vulcanization mold in which a sweep area Sc or Se that is the difference where a cross sectional area of the blade connection portion 6b or 7b is subtracted from an area from the blade distal end side thick portion 6c or 7c to a mold surface with a width equal to a maximum width of a thickness of the blade distal end side thick portion 6c or 7c in a cross sectional shape perpendicular to a tire widthwise direction of the blade 6 or 7 is smaller at the blades 7 in circumferential end portion side regions E than at the blades 6 in a circumferential central portion side region C of the sector mold 3. Further, a pneumatic tire 20 is manufactured using the vulcanization mold 1.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
| recordid | cdi_epo_espacenet_EP3900922A1 |
| source | esp@cenet |
| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING DEVICES OR ARRANGEMENTS RELATED TO TYRES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | VULCANIZATION MOLDING DIE AND PNEUMATIC TIRE MANUFACTURED USING SAID DIE |
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